biodiversity Flashcards
def: biodiversity
the number of species and the number of individuals of each of the species within any one community
def: species richness
the number of diff species in a community
def: community
all the individuals of all the species living together in the same area at the same time
def: genetic diversity
difference in DNA/ base sequences/ alleles/ genes
def: species
group of similar organisms/ organisms with similar features/ organisms with same genes;
reproduce to produce fertile offspring
def: niche
An organism’s role / in the ecosystem / community;
It describes what the species is like, where it occurs, how it behaves, how it interacts with other species and how it responds to the environment.
No 2 species occupy the same niche due to interspecific competition.
def: habitat
A place where an organism normally lives within an ecosystem
def: classification
grouping of organisms
def: taxonomy
theory and practice of classification
def: courtship behaviour
organisms attract mate of right species
and right sex
indication of sexual maturity
stimulates release of gametes
forms pair bonds
